Why doesn't kate parents help with the kids?

Kate's parents may not help with the kids for a variety of reasons, such as personal commitments, health issues, or a desire to allow Kate to develop her own parenting skills. They might also believe that it's important for her to manage her responsibilities independently. Additionally, there could be a lack of proximity or resources that limits their ability to assist. Ultimately, family dynamics and individual circumstances play a significant role in their level of involvement.